18407379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5387}}^1$

素因数の和:5474

約数の個数: 16

約数和(自身を含む): 26379648

約数和(自身を除く): 7972269

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5387, 16161, 91579, 274737, 360929, 1082787, 6135793, 18407379]

約数ペア:

[(1, 18407379), (3, 6135793), (17, 1082787), (51, 360929), (67, 274737), (201, 91579), (1139, 16161), (3417, 5387)]